City of Frederick


301 Area code: Frederick, Frederick - Wireless

Directory Numbers

How to dial a U.S. number internationally:

  • Start with your country's exit code (e.g., 011 for the U.S. or Canada).
  • Dial the U.S. country code (+1).
  • Dial the 10-digit phone number (area code + local number).

  • 3013056100 | +1 301-305-6100 Maryland U.S.A.
  • 3013056101 | +1 301-305-6101 Maryland U.S.A.
  • 3013056102 | +1 301-305-6102 Maryland U.S.A.
  • 3013056103 | +1 301-305-6103 Maryland U.S.A.
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  • 3013056110 | +1 301-305-6110 Maryland U.S.A.
  • 3013056111 | +1 301-305-6111 Maryland U.S.A.
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  • 3013056180 | +1 301-305-6180 Maryland U.S.A.
  • 3013056181 | +1 301-305-6181 Maryland U.S.A.
  • 3013056182 | +1 301-305-6182 Maryland U.S.A.
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  • 3013056198 | +1 301-305-6198 Maryland U.S.A.
  • 3013056199 | +1 301-305-6199 Maryland U.S.A.